227099666357 has 2 divisors, whose sum is σ = 227099666358. Its totient is φ = 227099666356.

The previous prime is 227099666267. The next prime is 227099666401. The reversal of 227099666357 is 753666990722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226432270801 + 667395556 = 475849^2 + 25834^2 .

It is a cyclic number.

It is not a de Polignac number, because 227099666357 - 2²² = 227095472053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227099666357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227099266357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113549833178 + 113549833179.

It is an arithmetic number, because the mean of its divisors is an integer number (113549833179).

Almost surely, 2^227099666357 is an apocalyptic number.

It is an amenable number.

227099666357 is a deficient number, since it is larger than the sum of its proper divisors (1).

227099666357 is an equidigital number, since it uses as much as digits as its factorization.

227099666357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51438240, while the sum is 62.

The spelling of 227099666357 in words is "two hundred twenty-seven billion, ninety-nine million, six hundred sixty-six thousand, three hundred fifty-seven".